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Thread: ACL1200, ICH9 82801i - 4.1 surround sound problem

  1. #1

    Default ACL1200, ICH9 82801i - 4.1 surround sound problem

    Greetings all,

    -lspci:
    Code:
    00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
    I am using a laptop MSI EX720 that has 4.1 surround sound. It appears both front channels play on the subwoofer channel, rear channels are faint, also playing on the subwoofer(only w/ pulse support enabled, otherwise no sound at all from rear channels). I hope that isn't too confusing.

    I ran mixers and all sound is at max and unmuted. I tried custom mapping the sound channels but even that didn't help.

    Please help me solve this problem, thanks you

  2. #2
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    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    I have a surround sound system (5.1) but I'm by no stretch an expert in it ... more like a beginner, as I have only a couple of tracks that use the 5.1 surround sound. I assume there may be some similarities between 5.1 and 4.1. sound.

    I documented my experience here: Exploring surround sound in Linux - openSUSE Forums

    If you think this is a configuration problem on your PC then we need more information in which to look at this. ...

    In that case, can you provide more very detailed information so a good recommendation can be given? For openSUSE-11.1, you can do that, with your PC connected to the internet, by opening a gnome-terminal or a kde konsole and twice copy and paste the following into that terminal/konsole
    Code:
    /usr/sbin/alsa-info.sh
    Run it the 1st time with root permissions. It will ask if you wish to do an update of the script. Select YES.

    Then run it again (as either a regular user or as root). This time it will diagnose your PC's hardware and software configuration for audio, and it will post its output on the Internet/web. It will give you the URL of the web site. Please post that URL here. JUST the URL.

    Also, please copy and paste the following commands one line at a time into a gnome-terminal or a konsole and post here the output:
    rpm -qa | grep alsa
    rpm -qa | grep pulse
    rpm -q libasound2
    uname -a
    cat /etc/modprobe.d/sound
    ... with that information I may be able to make a detailed recommendation.

    If using gnome, note here is a graphical front end/mixer called "alsamixergui" that you can install (it is in the nominal OSS repository, or on your DVD if you installed via DVD).

    Also, do NOT waste too much time on this. Simply post on our forum if you get stumped, and continue to look for help that way. ... however note I am out of town on business, with very limited internet access ... it may be days between my replies.

  3. #3

    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Thanks for your reply, if it's important to know, i'm currently running kde4.3 environment. The eyecandy is important to me lol.

    here is the url you request:
    http://www.alsa-project.org/db/?f=a6...acc641f1bac67c
    I ran this code earlier while an freenode user was helping me.

    Here's the second part you requested:
    Code:
    linux-k8e4:/home/admin # rpm -qa | grep alsa
    alsa-plugins-maemo-1.0.21-17.3              
    alsa-plugins-jack-32bit-1.0.21-17.3         
    alsa-plugins-32bit-1.0.21-17.3              
    alsa-firmware-1.0.20-2.1                    
    alsa-1.0.21-43.1                            
    alsa-plugins-1.0.21-17.3                    
    alsa-tools-1.0.21-4.4                       
    alsa-oss-1.0.17-25.11                       
    alsa-docs-1.0.18-8.12.1                     
    alsa-plugins-jack-1.0.21-17.3               
    alsa-driver-kmp-default-1.0.21.20091004_2.6.27.29_0.1-1.1
    alsamixergui-0.9.0rc1-584.91
    alsa-tools-gui-1.0.21-4.4
    alsa-plugins-pulse-32bit-1.0.21-17.3
    alsa-oss-32bit-1.0.17-25.11
    alsa-utils-1.0.21-13.3
    alsa-plugins-pulse-1.0.21-17.3
    
    
    
    linux-k8e4:/home/admin # rpm -qa | grep pulse
    pulseaudio-module-lirc-0.9.14-2.2.1
    pulseaudio-module-jack-0.9.14-2.2.1
    libpulse-browse0-0.9.14-2.2.1
    pulseaudio-utils-0.9.14-2.2.1
    pulseaudio-esound-compat-0.9.14-2.2.1
    pulseaudio-module-x11-0.9.14-2.2.1
    pulseaudio-module-zeroconf-0.9.14-2.2.1
    libpulse0-32bit-0.9.14-2.2.1
    pulseaudio-lang-0.9.14-2.2.1
    libpulse0-0.9.14-2.2.1
    alsa-plugins-pulse-32bit-1.0.21-17.3
    libxine1-pulse-1.1.15-23.3.3
    pulseaudio-module-bluetooth-0.9.14-2.2.1
    libpulse-mainloop-glib0-0.9.14-2.2.1
    pulseaudio-0.9.14-2.2.1
    alsa-plugins-pulse-1.0.21-17.3
    
    
    
    linux-k8e4:/home/admin # rpm -q libasound2
    libasound2-1.0.21-43.1
    
    
    
    linux-k8e4:/home/admin # uname -a
    Linux linux-k8e4 2.6.27.29-0.1-default #1 SMP 2009-08-15 17:53:59 +0200 x86_64 x86_64 x86_64 GNU/Linux
    
    
    
    linux-k8e4:/home/admin # cat /etc/modprobe.d/sound
    
    options snd slots=snd-hda-intel
    # u1Nb.hSHNs4ufGJ5:82801I (ICH9 Family) HD Audio Controller
    alias snd-card-0 snd-hda-intel

  4. #4
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    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Quote Originally Posted by sandstorm140 View Post
    Thanks for your reply, if it's important to know, i'm currently running kde4.3 environment. The eyecandy is important to me lol.

    here is the url you request:
    http://www.alsa-project.org/db/?f=a6...acc641f1bac67c
    I ran this code earlier while an freenode user was helping me.
    Thanks. I see you have a 64-bit 2.6.27.29 kernel on openSUSE-11.1 with the latest 1.0.21 alsa (presumeably from the OBS multimedia directory) and your PC has an ALC1200 hardware audio codec.

    You also have a custom .asoundrc file in place, of which I know nothing about.

    You also have 5stack model option forced, but it is not in your /etc/modprobe.d/sound file, so I have NO idea as to where you forced that parameter.

    Note my Asus P6T deluxe v2 desktop (intel core i7 920) has an ALC1200 and my 5.1 surround sound works and I did not find it necessary to add those items.

    What happens, with 1.0.21 of alsa, if you remove that 5stack entry and also remove that .asoundrc file? (ie its possible they are restricting and not helping what your sound can do).

  5. #5

    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    I do have an .asoundrc in place, however it's just a bunch of tests i found from other forums. It did not make any difference on the current output.

    The 5stack model I have removed just a few minutes ago actually. I added and removed from within the yast2 sound control panel. This also made no difference to the current output.

    Now I removed .asoundrc and 5stack option, I do not have any sound period except front-left and front-right channel on the subwoofer speaker when running the sound test. Before removing I had sound just like above, but via youtube, amsn, etc.

  6. #6
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    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Quote Originally Posted by sandstorm140 View Post
    I do have an .asoundrc in place, however it's just a bunch of tests i found from other forums. It did not make any difference on the current output.

    The 5stack model I have removed just a few minutes ago actually. I added and removed from within the yast2 sound control panel. This also made no difference to the current output.

    Now I removed .asoundrc and 5stack option, I do not have any sound period except front-left and front-right channel on the subwoofer speaker when running the sound test. Before removing I had sound just like above, but via youtube, amsn, etc.
    Did you reboot after removing those ?

    Did you compare your mixer options after rebooting? Note kmix in KDE allows one to add addition mixer controls/settings.

    What is the diagnostic script output URL (/usr/sbin/alsa-info.sh) after making that change?

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    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Per the thread I referenced where I tested my surround sound system, did you download chan-id.wav file from: http://www.halfgaar.net/media/chan-id.zip and test it with various media players?

  8. #8

    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Quote Originally Posted by oldcpu View Post
    Did you reboot after removing those ?

    Did you compare your mixer options after rebooting? Note kmix in KDE allows one to add addition mixer controls/settings.

    What is the diagnostic script output URL (/usr/sbin/alsa-info.sh) after making that change?
    Yes I rebooted after removing these and no I did not compare my mixer options. I am using kmix and yes im aware of addition mixer sliders but non make any difference.

    The new URL you requested is:
    http://www.alsa-project.org/db/?f=5a...8aa38236701cd0

  9. #9

    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Quote Originally Posted by oldcpu View Post
    Per the thread I referenced where I tested my surround sound system, did you download chan-id.wav file from: http://www.halfgaar.net/media/chan-id.zip and test it with various media players?
    No I did not, but I will if you think it's important

  10. #10
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    Default Re: ACL1200, ICH9 82801i - 4.1 surround sound problem

    Quote Originally Posted by sandstorm140 View Post
    Quote Originally Posted by oldcpu View Post
    Per the thread I referenced where I tested my surround sound system, did you download chan-id.wav file from: http://www.halfgaar.net/media/chan-id.zip and test it with various media players?
    No I did not, but I will if you think it's important
    I think it is important to get a better test. So download that file and try playing that with different players, from the basic "aplay" to mplayer, vlc, ffplay, xine, etc ...

    Reference your model configuration, you attempted to use 5stack. I do not think that is appropriate. My guess is the ALC1200 is closer in implementation to one of the ALC882/883/885/888/889 and hence if you are going to try a model configuration, I would recommend trying one from that list:
    Code:
    ALC882/883/885/888/889
    ======================
      3stack-dig	3-jack with SPDIF I/O
      6stack-dig	6-jack digital with SPDIF I/O
      arima		Arima W820Di1
      targa		Targa T8, MSI-1049 T8
      asus-a7j	ASUS A7J
      asus-a7m	ASUS A7M
      macpro	MacPro support
      mb5		Macbook 5,1
      mbp3		Macbook Pro rev3
      imac24	iMac 24'' with jack detection
      w2jc		ASUS W2JC
      3stack-2ch-dig	3-jack with SPDIF I/O (ALC883)
      alc883-6stack-dig	6-jack digital with SPDIF I/O (ALC883)
      3stack-6ch    3-jack 6-channel
      3stack-6ch-dig 3-jack 6-channel with SPDIF I/O
      6stack-dig-demo  6-jack digital for Intel demo board
      acer		Acer laptops (Travelmate 3012WTMi, Aspire 5600, etc)
      acer-aspire	Acer Aspire 9810
      acer-aspire-4930g Acer Aspire 4930G
      acer-aspire-6530g Acer Aspire 6530G
      acer-aspire-7730g Acer Aspire 7730G
      acer-aspire-8930g Acer Aspire 8930G
      medion	Medion Laptops
      medion-md2	Medion MD2
      targa-dig	Targa/MSI
      targa-2ch-dig	Targa/MSI with 2-channel
      targa-8ch-dig Targa/MSI with 8-channel (MSI GX620)
      laptop-eapd   3-jack with SPDIF I/O and EAPD (Clevo M540JE, M550JE)
      lenovo-101e	Lenovo 101E
      lenovo-nb0763	Lenovo NB0763
      lenovo-ms7195-dig Lenovo MS7195
      lenovo-sky	Lenovo Sky
      haier-w66	Haier W66
      3stack-hp	HP machines with 3stack (Lucknow, Samba boards)
      6stack-dell	Dell machines with 6stack (Inspiron 530)
      mitac		Mitac 8252D
      clevo-m720	Clevo M720 laptop series
      fujitsu-pi2515 Fujitsu AMILO Pi2515
      fujitsu-xa3530 Fujitsu AMILO XA3530
      3stack-6ch-intel Intel DG33* boards
      intel-alc889a	Intel IbexPeak with ALC889A
      intel-x58	Intel DX58 with ALC889
      asus-p5q	ASUS P5Q-EM boards
      mb31		MacBook 3,1
      sony-vaio-tt  Sony VAIO TT
      auto		auto-config reading BIOS (default)
    In particular: targa, or targa-dig, or targa-2ch-dig , or targa-8ch-dig come to mind, although one of the others may work better.

    When apply a model option, in openSUSE we apply it to the /etc/modprobe.d/sound file (for openSUSE-11.1 and earlier, 11.2 will be different). In your case, to try (for example) targa, edit the /etc/modprobe.d/sound file so that it looks like this:
    Code:
    options snd-hda-intel model=targa
    options snd slots=snd-hda-intel
    # u1Nb.hSHNs4ufGJ5:82801I (ICH9 Family) HD Audio Controller
    alias snd-card-0 snd-hda-intel
    and then restart alsa with su -c 'rcalsasound restart' enter root password when prompted and test. Be as thorough as you can in the test.

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